If the length of a rectangle is increased by 25% and the width is decreased by 20%, then the area of the rectangle :

If the length of a rectangle is increased by 25% and the width is decr

1.	If the length of a rectangle is increased by 25% and the width is decreased by 20%, then the area of the rectangle :
A.	increases by 5%
B.	decreases by 5%
C.	remains unchanged
D.	increases by 10%
Answer» D. increases by 10%

Discussion

No Comment Found

Related MCQs

If water is freezed to become ice, its volume is increased by 10%, then if the ice is melted to water again, its volume will be decreased by :
A right circular cylinder is formed by rolling a rectangular paper 12 cm long and 3 cm wide along its length. The radius of the base of the cylinder will be
A cylindrical tank of diameter 35 cm is full of water. If 11 litres of water is drawn off, the water level in the tank will drop by : (use = 22/7)
In an equilateral triangle ABC of side 10cm, the side BC is trisected at D. Then the length (in cm) of AD is
The base and altitude of a right angled triangle are 12 cm and 5 cm respectively. The perpendicular distance of its hypotenuse from the opposite vertex is
One acute angle of a right angled triangle is double the other. If the length of its hypotenuse is 10 cm, then its area is
If S<sub>1</sub> and S<sub>2</sub> be the surface area of a sphere and the curved surface area of the circumscribed cylinder respectively, then S<sub>1</sub> is equal to
In ABC, D and E are two points on the sides AB and AC respectively so that DE||BC and<br><table><tr><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>AD</center></td><td rowspan="2"> = </td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>2</center></td></tr><tr><td style="text-align: center;">BD</td><td style="text-align: center;">3</td></tr></table><br><table><tr><td rowspan="2">Then</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>the area of trapezium DECB</center></td><td rowspan="2">is equal to</td></tr><tr><td style="text-align: center;">the area of ABC</td></tr></table>
ABCD is a trapezium with AD and BC parallel sides. E is a point on BC. The ratio of the area of ABCD to that of AED is
If the area of a circle is A, radius of the circle is r and circumference of it is C, then

If the length of a rectangle is increased by 25% and the width is decreased by 20%, then the area of the rectangle :

Discussion

No Comment Found

Related MCQs

Reply to Comment